Ammo Overview Quantity – 50 rounds per box Manufacturer – Armscor USA Bullets – 230 grain full metal jacket (FMJ) Casings – Boxer-primed brass Details This Armscor .45 ACP in 230 grain full metal jacket should be on the short list of training and practice rounds come range day. It’s cheap, relatively clean and reliable for range training. Most shooters know that certain firearms can favor a certain brand of ammo. With 50 rounds per box of clean running rounds at a great value you can speed up the process of finding your favorite plinking ammo.